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surface charge density of soap bubble of radius r and surface tension t is sigma . if p is excess pressure the value of sigma

surface charge density of soap bubble of radius r and surface tension t is  sigma . if p is excess pressure the value of sigma
 

Grade:12

1 Answers

desai_maulika1
36 Points
6 years ago
surface charge tension = T
surface charge density= \sigma
the total pressure in the soap bubble=
Pin -Pout = 4T/R-\sigma2/2\varepsilon0 
Excess pressure inside the charge soap bubble
pin-pout = pexcees
P = 4T/R-\sigma2/2\varepsilon0 
\sigma2=2\varepsilon0  [4T/R- p]
\sigma = {2\varepsilon0 [4T/R- p]}1/2
 
 
 
 
 
 
 
 
 
 
 
 
 
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